Sun restructures, lays off up to 6,000 — Sun Microsystems has announced a restructuring that will involve layoffs of 15 percent to 18 percent of its global workforce. — The company also announced a reorganization of its software operations and the departure of Rich Green, executive vice president of software.

Introducing the Microsoft Store US — We previously launched Microso ft Store internationally in the UK, Germany and Korea. I'm now happy to announce that we have officially launched Microsoft Store for the U.S! — With this launch, our customers in the U.S. are able to buy …

IBM must put up $3 million in Papermaster case — IBM only had to pay a $350 filing fee to sue Mark Papermaster, the 25-year IBM (IBM) veteran hired by Steve Jobs last month to run Apple's (AAPL) iPod and iPhone division. — It's going to cost them a lot more to pursue the case.

Google's Consumers Are Checking Out — Google's business model is revealing its Achilles' heel. — The Internet giant's big perceived advantage over traditional media has long been its consumer-driven business model. Whereas traditional media has more of a marketer-driven approach …

European debut for ‘$100 laptop’ — Europeans will soon be able to buy their own XO laptop. — The One Laptop Per Child (OLPC) organisation is planning to sell the devices via online store Amazon's European outlets from 17 November. — The machines will be sold under the Give One …

Engineering: Suddenly Sexy for College Grads — As the financial crisis deepens, science and math grads who once flocked to investment banking are now considering jobs in engineering — Early in his college career, Tyler Bosmeny assumed that after graduating, he would do what hundreds …

GirlInYourShirt: $75 Buys Your Startup Marketing For A Day — I imagine more than a few startups will take Jenaé up on her offer to wear your startup shirt and talk about your company for a day. It's $75, and she posts videos on her site, YouTube, Seesmic and Viddler, posts pictures on Flickr and tweets about it all as well.

Businesses warming up to the iPhone — Apple has captivated the general public with the iPhone, but has it convinced the business world to take the plunge? — Even after the March preview of the “business-friendly” iPhone 2.0 software for the iPhone released in July …

Is the VC Model Broken? Far From it — Updated: Adeo Ressi, the serial entrepreneur behind the venture-capital rating site TheFunded, has been getting a lot of attention for a presentation he gave at Harvard Business School in which he argued that the VC industry is “broken.”

Universal Music Group: We're Still Selling Tunes, Amazingly — Universal Music Group, the world's biggest music company, insists the music business isn't dying. Yesterday, it released numbers to help bolster its case. — UMG saw sales drop 6.2 percent in the last quarter, parent company Vivendi disclosed yesterday.

The YouTube Presidency — The White House has gone YouTube. — Today, President-elect Obama will record the weekly Democratic address not just on radio but also on video — a first. The address, typically four minutes long, will be turned into a YouTube video and posted on Obama's transition site …

How Old Is Your Work Computer? — It used to be that every three years, workers would get brand new computers from their businesses' tech departments. But for many those days are over. — The reason: Delaying computer upgrades is one of the easiest ways for a tech department to cut its budget.

The Coming Wireless Revolution — Gadgets that operate over television frequencies promise to transform the wireless landscape. — If you believe some radio researchers and engineers, within the next couple of years, high-bandwidth, far-reaching wireless Internet signals will soon blanket the nation.